Looks like we have to wait for a review. Sx8200pro is the best performance m.2 ssd now for it's money. Better than Samsung evo plus.

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This ^
I have the one mentioned, and i got it so cheap, that Samsung's 970 EVO or PLUS made zero sense to buy for extra 50% price (the performance is actually lower in many tests,
it's sad that some of you look just at sequential read/write speeds where EVO PLUS is a little better but under the hood, A-Data makes better drives if you measure performance/price ratio.

(The only difference from SX8200 is heatsink on the GAMMIX S11. Pro models also use a newer SM2262EN controller and a different 3D TLC flash layout that comes in 256GB increments instead of 240GB in the earlier variant).

Yay more "gaming" parts! Sure hope no one is using a 660p as a gaming drive cause you're doing it wrong now.... oh wait.

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I considered it as 2nd NVMe, but QLC and 200TB write life warranty for 960GB is way under 800TB write on TLC based drives.
It would be in slower M.2 slot, so no loss or anything there. In the end I opted for 960GB SATA SSD which was cheaper and currently sufficient/overkill for must of games.

I have to say, currently running Corsair MP510's myself (480GB for OS and 960GB for game drive) on my new 3700X/X570 build and while it does load games a little faster compared to my old SATA Samsung EVO 860 the difference is not as dramatic I thought it would be.

Side note updated to the newest AMD chipset driver that was released by AMD yesterday and I am not sure if it's coincidence or what but according to CrystalDiskInfo my MP510's were running at 50-55 degrees C now they are sitting at around 40 degrees C for some reason!

Does "512e support" mean these SSDs report 512B logical and 4KB physical sectors? Like my GAMMIX S11 Pro does when I run fsutil fsinfo sectorinfo c: in the command prompt?

Well, internally write page size is typically 8-16 KB and erase block size is typically 128-256 pages (512-1024-2048 KB) . So even advertising 512e/4Kn to the OS wouldn't help much - we would need to define 8Kn/16Kn etc. to fully realise the potential. This would require 16Kn support from the I/O subsystem in the OS, as well as 16Kn flash-aware storage subsystem which writes in multi-kilobyte aligned blocks to fully realize the performance benefits - and that's a long road to go.

I considered it as 2nd NVMe, but QLC and 200TB write life warranty for 960GB is way under 800TB write on TLC based drives.
It would be in slower M.2 slot, so no loss or anything there. In the end I opted for 960GB SATA SSD which was cheaper and currently sufficient/overkill for must of games.

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That was sarcasm. I’m using a 660p for a game only drive, which it works great for. And for $85 for a 1TB you can’t really complain if you are using it in this capacity. I would never suggest a 660p for any other use.

BTW I’m using mine in the chipset M.2 slot on the back side of my board and a 970evo in my direct feed slot.

The 660p is not a great NVMe drive but again using as a game drive should never cause and issue with its limitations that QLC has in write cycles.